Adding Instructor database table.  Also added instructor scraping to steps on broadway and peridance scraper.  Beginning of instructor pages.
Adding instructor views showing all classes for an instructor
adding loading images
Scraping instructors from BAE
Sticky footer
Giving instructors a calendar view for their classes
Adding enabled column to dance classes
preset enabled to false, then re-populate with good classes.
View changes to instructor profile.  Adding no-profile image.